Syringaresinol is a lignan extracted from the sap of Lobelia longifolia with anti-inflammatory activity. syringaresinol causes vasodilation and enhances NO production through phosphorylation and dimerization of endothelial NO synthase.

Hydroxyisogermafurenolide 是姜黄的天然产物。

邻甲基苯甲酸，也称为2-甲基苯甲酸，是一种芳香族羧酸。它是一种人类外源代谢物。